1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 # Makefile for the Hexagon arch !! 2 # i386/Makefile
>> 3 #
>> 4 # This file is included by the global makefile so that you can add your own
>> 5 # architecture-specific flags and dependencies. Remember to do have actions
>> 6 # for "archclean" cleaning up for this architecture.
>> 7 #
>> 8 # This file is subject to the terms and conditions of the GNU General Public
>> 9 # License. See the file "COPYING" in the main directory of this archive
>> 10 # for more details.
>> 11 #
>> 12 # Copyright (C) 1994 by Linus Torvalds
>> 13 #
>> 14 # 19990713 Artur Skawina <skawina@geocities.com>
>> 15 # Added '-march' and '-mpreferred-stack-boundary' support
>> 16 #
>> 17
>> 18 LDFLAGS := -m elf_i386
>> 19 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
>> 20 LDFLAGS_vmlinux :=
>> 21
>> 22 CFLAGS += -pipe
>> 23
>> 24 # prevent gcc from keeping the stack 16 byte aligned
>> 25 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
>> 26
>> 27 align := $(subst -functions=0,,$(call check_gcc,-falign-functions=0,-malign-functions=0))
>> 28
>> 29 cflags-$(CONFIG_M386) += -march=i386
>> 30 cflags-$(CONFIG_M486) += -march=i486
>> 31 cflags-$(CONFIG_M586) += -march=i586
>> 32 cflags-$(CONFIG_M586TSC) += -march=i586
>> 33 cflags-$(CONFIG_M586MMX) += $(call check_gcc,-march=pentium-mmx,-march=i586)
>> 34 cflags-$(CONFIG_M686) += -march=i686
>> 35 cflags-$(CONFIG_MPENTIUMII) += $(call check_gcc,-march=pentium2,-march=i686)
>> 36 cflags-$(CONFIG_MPENTIUMIII) += $(call check_gcc,-march=pentium3,-march=i686)
>> 37 cflags-$(CONFIG_MPENTIUM4) += $(call check_gcc,-march=pentium4,-march=i686)
>> 38 cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
>> 39 # Please note, that patches that add -march=athlon-xp and friends are pointless.
>> 40 # They make zero difference whatsosever to performance at this time.
>> 41 cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4)
>> 42 cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,$(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4))
>> 43 cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 44 cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
>> 45 cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
>> 46 cflags-$(CONFIG_MWINCHIP3D) += $(call check_gcc,-march=winchip2,-march=i586)
>> 47 cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 48 cflags-$(CONFIG_MVIAC3_2) += $(call check_gcc,-march=c3-2,-march=i686)
>> 49
>> 50 CFLAGS += $(cflags-y)
>> 51
>> 52 # Default subarch .c files
>> 53 mcore-y := mach-default
>> 54
>> 55 # Voyager subarch support
>> 56 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
>> 57 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
>> 58
>> 59 # VISWS subarch support
>> 60 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
>> 61 mcore-$(CONFIG_X86_VISWS) := mach-visws
>> 62
>> 63 # NUMAQ subarch support
>> 64 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
>> 65 mcore-$(CONFIG_X86_NUMAQ) := mach-default
>> 66
>> 67 # BIGSMP subarch support
>> 68 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
>> 69 mcore-$(CONFIG_X86_BIGSMP) := mach-default
>> 70
>> 71 #Summit subarch support
>> 72 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
>> 73 mcore-$(CONFIG_X86_SUMMIT) := mach-default
>> 74
>> 75 # generic subarchitecture
>> 76 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
>> 77 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
>> 78 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
>> 79
>> 80 # ES7000 subarch support
>> 81 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
>> 82 mcore-$(CONFIG_X86_ES7000) := mach-es7000
>> 83
>> 84 # default subarch .h files
>> 85 mflags-y += -Iinclude/asm-i386/mach-default
>> 86
>> 87 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
>> 88
>> 89 libs-y += arch/i386/lib/
>> 90 core-y += arch/i386/kernel/ \
>> 91 arch/i386/mm/ \
>> 92 arch/i386/$(mcore-y)/
>> 93 drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
>> 94 drivers-$(CONFIG_PCI) += arch/i386/pci/
>> 95 # must be linked after kernel/
>> 96 drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
>> 97 drivers-$(CONFIG_PM) += arch/i386/power/
>> 98
>> 99 CFLAGS += $(mflags-y)
>> 100 AFLAGS += $(mflags-y)
>> 101
>> 102 boot := arch/i386/boot
>> 103
>> 104 .PHONY: zImage bzImage compressed zlilo bzlilo \
>> 105 zdisk bzdisk fdimage fdimage144 fdimage288 install
>> 106
>> 107 all: bzImage
>> 108
>> 109 BOOTIMAGE=arch/i386/boot/bzImage
>> 110 zImage zlilo zdisk: BOOTIMAGE=arch/i386/boot/zImage
>> 111
>> 112 zImage bzImage: vmlinux
>> 113 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
>> 114
>> 115 compressed: zImage
>> 116
>> 117 zlilo bzlilo: vmlinux
>> 118 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
>> 119
>> 120 zdisk bzdisk: vmlinux
>> 121 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
>> 122
>> 123 install fdimage fdimage144 fdimage288: vmlinux
>> 124 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
>> 125
>> 126 prepare: include/asm-$(ARCH)/asm_offsets.h
>> 127 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
>> 128
>> 129 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 130 include/config/MARKER
>> 131
>> 132 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
>> 133 $(call filechk,gen-asm-offsets)
>> 134
>> 135 archclean:
>> 136 $(Q)$(MAKE) $(clean)=arch/i386/boot
>> 137
>> 138 define archhelp
>> 139 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
>> 140 echo ' install - Install kernel using'
>> 141 echo ' (your) ~/bin/installkernel or'
>> 142 echo ' (distribution) /sbin/installkernel or'
>> 143 echo ' install to $$(INSTALL_PATH) and run lilo'
>> 144 echo ' bzdisk - Create a boot floppy in /dev/fd0'
>> 145 echo ' fdimage - Create a boot floppy image'
>> 146 endef
3 147
4 KBUILD_DEFCONFIG = comet_defconfig !! 148 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
5 <<
6 # Do not use GP-relative jumps <<
7 KBUILD_CFLAGS += -G0 <<
8 LDFLAGS_vmlinux += -G0 <<
9 <<
10 # Do not use single-byte enums; these will ove <<
11 KBUILD_CFLAGS += -fno-short-enums <<
12 <<
13 # We must use long-calls: <<
14 KBUILD_CFLAGS += -mlong-calls <<
15 <<
16 # Modules must use either long-calls, or use p <<
17 # Use long-calls for now, it's easier. And fa <<
18 # KBUILD_CFLAGS_MODULE += -fPIC <<
19 # KBUILD_LDFLAGS_MODULE += -shared <<
20 KBUILD_CFLAGS_MODULE += -mlong-calls <<
21 <<
22 cflags-y += $(call cc-option,-mv${CONFIG_HEXAG <<
23 aflags-y += $(call cc-option,-mv${CONFIG_HEXAG <<
24 ldflags-y += $(call cc-option,-mv${CONFIG_HEXA <<
25 <<
26 KBUILD_CFLAGS += $(cflags-y) <<
27 KBUILD_AFLAGS += $(aflags-y) <<
28 KBUILD_LDFLAGS += $(ldflags-y) <<
29 <<
30 # Thread-info register will be r19. This valu <<
31 # it is hard-coded in several files. <<
32 TIR_NAME := r19 <<
33 KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADI <<
34 KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME) <<
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